Demographic Predictors of Recreational Tennis Participants' Sport Commitment

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Journal of Park and Recreation Administration                          Volume 26, Number 3
Fall 2008                                                                       pp. 93-115

Demographic Predictors of
Recreational Tennis Participants’
Sport Commitment
    Jonathan M. Casper
    Megan Babkes Stellino

    EXECUTIVE SUMMARY: Prior leisure research has focused on behavior-
    al and psychological variables, such as involvement, loyalty, and commit-
    ment to understand sport and leisure behavior. With commitment, research
    has found that highly committed participants will be valuable consumers of
    their chosen activity through sustained participation, higher involvement, and
    increased loyalty to an activity. Expansion of this line of research has led
    to understanding how these variables, such as commitment, differ based on
    segmentation of key user groups, but little research has been conducted to
    understand what influences the commitment levels of recreational sport par-
    ticipants. The sport commitment model posits that there are six antecedents
    that predict commitment: enjoyment, involvement alternatives, involvement
    opportunities, personal investments, social constraints, and social support.
    This study sought to understand commitment of recreational tennis players
    based on the sport commitment model.
          The purpose of this study was to understand the relationship between de-
    mographic segments (age, sex, income, and skill level) of community tennis
    association members on commitment and the theoretical antecedents founded
    in the sport commitment model. Members of community tennis associations
    completed a web-based questionnaire that assessed items related to the sport
    commitment model and demographic information. To investigate demographic
    differences based on the individual variables in the model, multivariate analy-
    sis was conducted with post-hoc tests to identify differences within the catego-
    ries. Results found significant differences based on a participant’s age for com-
    mitment, involvement alternatives, and social constraints. Enjoyment, personal
    investments, and social support significantly differed based on sex.
          To understand differences in how the antecedent predictors differed in
    predicting commitment, a regression analysis was conducted. Results found
    enjoyment to be the strongest predictor of commitment across all demographic
    categories, but there were significant differences in the strength of predicting
    commitment based on the other antecedent variables.
          The present results demonstrate that there are stable predictor variables of
    commitment within the model along with significant differences. Based on the
    present study results, sport commitment variables among various populations
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     should not be generalized across demographics. The findings also add to the
     leisure research by providing evidence that personal, social, and monetary-
     based variables directly contribute to commitment and suggest committed
     sport participants differ based on segmentation. Marketing implications
     suggest the importance of enjoyment and involvement opportunities for all
     market segments. Marketing efforts to younger and less skilled participants
     include tactics that emphasize the benefits of tennis compared to competing
     sports/activities and creating more social events. The findings also provide
     evidence that promotions to enhance time and monetary investment in the
     sport can increase player commitment.

     KEYWORDS: segmentation, commitment, sport commitment model, tennis

     Authors: Jonathan Casper is with the Department of Parks, Recreation, and
     Tourism Management, North Carolina State University, Box 8004, Biltmore
     Hall, Raleigh NC, 27695 Phone: 919-513-0771 Fax: 919-515-3687 Email:
     jonathan_casper@ncsu.edu. Megan Babkes Stellino is with the University of
     Northern Colorado.

     Participation in sport facilitates strong emotional value to consumers and therefore
plays a significant role in their lives. If sport participation is a positive experience,
individuals will continue to play and become more committed to maintaining their
involvement. This continued participation is vital to many sports that depend on
frequent participants to sustain the industry (Mullin, Hardy, & Sutton, 2000). In order to
maintain its market share, the sport industry considers retention of current participants
to be of great concern since future participation will likely result in future direct and
indirect consumption of goods and services (Deaton, 1992). Sport researchers have
sought to understand the psychological attraction a consumer has to a sport and
differences based on demographics (James & Ridinger, 2002), sport type (James &
Ross, 2004; Wann, Schrader, & Wilson, 1999), motivation or points of attachment
(e.g., Funk, Mahony, & Ridinger, 2002; Robinson, Trail, Kwon, 2004; Trail & James,
2001; Zhang, Pease, Lam et al., 2001), and the developmental process that occurs due
to continued participation (Funk & James, 2001; 2006). Sport administrators recognize
that psychological processes associated with sport participation and the subsequent
segmentation of the market associated with these processes may play a key role in
developing marketing strategies (Green, 2003).
     The sport and leisure literature has focused on participant behavior from two
perspectives: motivation (e.g., Iso-Ahola, 1999; Milne & McDonald, 1999) and
constraints (Jackson, 2005). In terms of motivation, stable factors arouse and direct an
individual’s behavior, which leads to adoption, persistence, and a resistance to change.
Researchers suggest that constraints, on the other hand, inhibit the formation of leisure
preference and/or prohibit the participation and enjoyment in recreation (Jackson,
2005). These perspectives, however, are not mutually exclusive. For example, low
motivation may be considered a constraint to leisure participation; thus the awareness
of such motivations and constraints are vital to understanding the decision-making
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process of a consumer. This study will focus on a motivational perspective, commitment
to a sport, which reflects choice, effort, and persistence (Weiss & Ferrer-Caja, 2002).
     The concept of commitment is important in consumer behavior because, while
it does not represent direct spending, theorists have suggested that it represents
resistance to change (e.g., Crosby & Taylor, 1983; Haugtvedt & Petty, 1992; Funk &
James, 2006). Resistance to change one’s evaluation of a sport (e.g., tennis or golf)
is thought to reflect consistency, withstanding of counter persuasive attempts (e.g.,
an alternate activity) and is predictive of behavior (e.g., participation frequency and
purchase behavior) (Petty, Haugtvedt, & Smith, 1995).
     In leisure research, psychological commitment has been extensively studied
both directly and indirectly. For example, commitment and involvement have been
investigated to understand the multifaceted concept of enduring involvement (e.g.,
Havitz & Dimanche, 1997; Havitz & Howard, 1995; McIntyre, 1989). While evidence
points to commitment as part of enduring involvement, other research has suggested
that these constructs are conceptually distinct. For example, leisure researchers (e.g.,
Gahwiler & Havitz, 1998; Iwasakai & Havitz, 1998; 2004; and Pritchard, Havitz, &
Howard; 1999) have examined the relationship between enduring involvement and
commitment, and findings indicate that the relationship between the two constructs
are developmental. Havitz and Dimanche (1997) commented that the core difference
between commitment and enduring involvement is based on specifically what is being
studied. Commitment is measured at the brand level (e.g., the service providers or
service offerings), while enduring involvement is measured on the product level (e.g.,
the specific activity under study).
     Recent studies have focused on commitment related to leisure participants at
the brand level (Kyle, Mowen, Absher, & Havitz, 2006), where commitment was
examined based on meanings associated with the setting and facilities along with trust
in the service provider’s management. Others have used commitment and involvement
interchangeably to refer to a leisure activity participant’s deep involvement in an
activity (Havitz & Dimanche 1997; Iwasakai & Havitz, 1998; 2004; Kyle, Graefe,
Manning, & Bacon, 2003; Park, 1996). Commitment has also been used to understand
recreational specialization (Bryan 1977, 2000). Sport management researchers have also
investigated commitment related to sport spectators and organizations. In particular,
psychological commitment has been used as a construct to segment consumers based
on loyalty (Kwon & Trail, 2003; Mahony, Madrigal, & Howard, 2000). In addition
to spectators, organizational commitment has been studied to understand sport
organizations, such as the NCAA (e.g., Cunningham & Sagas, 2004), and volunteerism
(e.g., Costa, Chalip, Green, & Simes, 2006). The main gap in the sport management
research is that there is little focus on the recreational sport participants who are both
direct and indirect consumers of sport and leisure.
     We suggest that while a deeper understanding and differentiation between the
constructs is important, both theoretically and practically, there is still a lack of
understanding of what leads to or precipitates involvement and subsequent commitment.
Iwasaki and Havitz (1998; 2004) began to research this issue further by examining
personal and social factors that relate to commitment, involvement, and resistance to
change, but did not examine how these factors might influence levels of commitment.
Also, it has been suggested that more research needs to be conducted on how the
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aforementioned constructs differ based on psychological or demographic segmentation
(Iwasakai & Havitz, 2004; Kyle et al., 2006).
      It is clear that more committed participants will be more loyal to the sport and
play an essential role in achieving organizational goals, including revenue generation
(Iwasaki & Havitz; 2004). However, there is a gap in the literature with regard to
the factors that influence or at least are related to commitment in recreational sport.
The current study aimed to explain the correlates of recreational tennis participants’
commitment through the sport commitment model (SCM: Scanlan, Carpenter, Schmidt,
Simons, & Keeler, 1993), couched in the field of sport psychology.
      The sport commitment model provides a theoretical framework for studying the
motivational bases of continued, or persistent, sport participation. Sport commitment
is defined as the “psychological state representing the desire and resolve to continue
sport participation” (Scanlan, Carpenter, Schmidt, et al., 1993, p.6). Commitment
reflects persistence and is at the core of motivation. When trying to understand why
someone participates in an activity, one must understand the sources of motivation and
the potential outcomes of the action.
      The sport commitment model was chosen based on three important features
(Scanlan and Simons, 1992): 1) sport commitment addresses psychological attachment
to an activity, and does not involve estimations of the actual probability (e.g.,
intentions); 2) sport commitment is a product of both cognitive (e.g., knowledge,
thinking) and affective (e.g., emotions) factors; and 3) the sport commitment model
is able to distinguish differing predictors of participants who may report overall equal
levels of commitment.
      The sport commitment model (SCM) was adapted from social-exchange
theory (Kelley & Thibaut; 1978; Thibaut & Kelley, 1959), Kelley’s (1983) model
of interpersonal relationships, and the investment model (Rusbult, 1988). The sport
commitment model was formed based on overwhelming evidence that enjoyment,
or fun, was found to be a primary participation motive in diverse athletic samples
spanning age, ethnicity, gender, and sport types (Scanlan & Lewthwaite, 1986;
Scanlan, Ravizza, & Stein, 1989; Scanlan, Stein, & Ravizza, 1989; Stein & Scanlan,
1992). With enjoyment as a central construct, Scanlan and Simons (1992) introduced
a larger conceptual model of motivation termed the sport commitment model. Scanlan
and her colleagues (Carpenter, Scanlan, Simons, & Lobel, 1993; Scanlan, Carpenter,
Schmidt et al., 1993; Scanlan, Simons, Carpenter, Schmidt, & Keeler, 1993) chose to
use the construct of commitment because in contrast to other approaches (e.g., The
Theory of Planned Behavior; Ajzen, 1991) that focus on persistence, the commitment
literature provides a more comprehensive and sport-relevant view of this behavior and
its underlying psychological state.
      There are six basic constructs in the original SCM: commitment, enjoyment,
involvement alternatives, involvement opportunities, personal investments, and
social constraints. Sport commitment is operationally defined as a psychological
state representing the desire and resolve to continue sport participation in a particular
program, specific sport, or sport in general (Scanlan, Simons, Carpenter, et al., 1993).
The original sport commitment model was posited as having five direct antecedents
that can increase or decrease sport commitment: sport enjoyment, involvement
opportunities, personal investments, social constraints, and involvement opportunities.
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Sport enjoyment is defined as a positive affective response to the sport experience that
reflects generalized feelings such as pleasure, liking, and fun. Involvement alternatives
are defined as the attractiveness of the most preferred alternative(s) to continued
participation in the current endeavor. Personal investments reflect personal resources
such as time, effort, and energy that would be lost if participation did not continue.
Social constraints are the social expectations or norms that create feelings of obligation
to remain in the activity. Involvement opportunities are the anticipated benefits that
one receives through continued participation such as friendships, social interaction,
skill mastery, and physical conditioning (Scanlan et al., 1993). An additional predictor
of commitment revealed in more recent research grounded in the SCM is social support
(Carpenter, 1993; Scanlan, Russell, Beals, & Scanlan, 2003; Scanlan, Russell, Wilson,
& Scanlan, 2003). Social support reflects feelings of encouragement and support that a
sport participant receives from significant others that may or may not also participate
in the sport.
      Overall, sport enjoyment, personal investments, social constraints, involvement
opportunities, and social support are hypothesized to be positive antecedents of sport
commitment, while involvement alternatives are posited as a negative antecedent of
sport commitment (see Figure 1 for a depiction of the model).
      Researchers have tested the original sport commitment model and expanded/
modified versions in varied domains such as exercise and fitness commitment
(Alexandris, Zahariadis, Tsorbatzoudis, & Grouios, 2002), occupational intention to
quit among referees (VanYperen, 1998), coaching commitment and turnover (Raedeke,
Warren, & Granzyk, 2002), athlete burnout (Raedeke, 1997), competitive youth sport
(Carpenter, Scanlan et al., 1993; Scanlan, Carpenter et al., 1993; Weiss, Kimmel,
& Smith, 2001), and elite athlete commitment (Scanlan et al., 2003). Each of the
antecedents has been found to significantly influence sport commitment, but sport
enjoyment and involvement opportunities have consistently emerged as the strongest
predictors of increased commitment in sport-related research.
      Administrators and marketers recognize that not all participants are the same
with respect to their interests and needs and, as a result, divide (or segment) potential
clients into identifiable groups who share similar characteristics and exhibit common
behaviors (Kotler, 1993). Segmentation allows marketers to then identify potential
target marketing and customize marketing strategies to these groups. Segmentation
has been common in research related to recreational and tourist involvement (Dallen,
2007; Dimanche, Havitz, & Howard, 1993; Havitz, Dimanche, & Bogle, 1994; Kyle,
Kerstetter, Guadagnolo, 2002; McIntyre & Pigram, 1992) where consumer involvement
profiles have been identified based on behavioral and socio-psychological measures.
Differences have also been reported by comparing demographics on behaviors such
as specialization, motivation, and involvement (Hvenegaard, 2002; Schroeder, Fulton,
Currie, & Goeman, 2006; Sutton, 2006). While the variables included to make these
segmentation profiles included attitudes, motivations, and commitment, there has been
less research related to commitment-specific segmentation.
      Siegenthaler and Lam (1992) investigated adult tennis players and found that age
and gender predicted commitment while skill level did not. In their study, no post hoc
analysis was conducted to understand how groups differed. Currently, there is little
research focused specifically on demographic variance in the SCM. Previous research
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Figure 1. The Sport Commitment Model with the addition of social support.

               Tennis
              Enjoyment

            Involvement
            Alternatives

             Involvement
            Opp ortunities                                             Tennis
                                                                     Commitment

              Personal
            Investments

               Social
             Constraints

                  Social
                 Support

Solid lines represent proposed positive relationships and broken lines represent negative
lationships.

has validated the SCM with examinations of the model in particular sports or activities
but few have explored demographic differences in the same sport due to low sample
size and homogeneous subjects. Studies that looked at differences in the model include
Carpenter, Scanlan, et al. (1993), who found no significant interaction effects based on
age and gender in an adolescent sample of athletes, and Carpenter and Coleman (1998),
who tested the model on non-American and non-elite athletes and found no differences
between cultures or skill levels. Most recently, Weiss & Weiss (2007) investigated
99

variance of the sport commitment model with competitive female gymnasts (ages 8
–18) based on age and competitive level. This study was the most comprehensive to
date and used a relatively large sample size (N = 304) for comparisons. Weiss and
Weiss found that the predictors of commitment were significantly different based on
the developmental age of the participants. One important finding relative to age was
the importance of social constraints for the younger gymnasts and perceived costs
(negative factors related to continued participation) being a significant predictor for
all age groups. When comparing competitive level, the results indicated that higher-
level gymnasts had fewer significant predictors of commitment compared to lower-
level gymnasts. For example, commitment was predicted by six antecedents (personal
investments, perceived costs, coach social support, and social constraints by coach,
best friend, and teammates) for the lower-level participants and only two antecedents
for higher-level participants (personal investments and teammate social constraints).
This study was the first to show specific differences in the SCM based on age and
competitive level, but focused on youth participants.
     It is logical that the invariance found by Weiss and Weiss (2007) is not unique to
youth sport. Based on the literature related to sport commitment, there is a need for
further understanding of commitment and the antecedents of commitment with adult
sport participants. Differences based on psychological and demographic characteristics
will help segment the adult tennis participant market and provide insight into marketing
strategies for tennis to help with efforts to increase commitment of their participants.
Therefore, the purpose of this study was to test the relationship between demographic
segments (age, sex, income, and skill level) of tennis commitment and the theoretical
antecedents included in the sport commitment model.
                                        Method
Participants and Procedure
     The study focused specifically on the sport of tennis. Adult recreational tennis
players (N = 537; 247 male and 290 female) were recruited from community tennis
associations in the Intermountain region of the United States. Participants ranged in
age from 19 – 84 (M age = 47.5 years, SD = 11.6). The participants’ skill level based
on the United States Tennis Association rating system National Tennis Rating Program
(NTRP) ranged from 2.5 - the lowest level in league play, to 5.5 - the highest level in
league play. The participants’ average household income was a categorical variable.
     Recruitment of the participants followed the guidelines and the approval of the
Human Subjects Review board at the researchers’ university. Four community tennis
association presidents sent an e-mail invitation to their membership. Community tennis
associations are common in the U.S. and provide a variety of benefits to members,
such as league play, tournaments, socials, and challenge ladders for a minimal annual
fee ($20 U.S.). Tennis associations communicate with their membership either through
traditional mail, a website, or e-mail. Association presidents sent an e-mail invitation
with an explanation of the purpose of the study, the web-link to access the survey, the
password, mention of an incentive (drawing for a free tennis racket), and a deadline to
complete the survey. A reminder e-mail with the same information was sent one week
before the deadline. A total of 1,662 e-mail invitations were sent out and a total of 442
invitations were undeliverable due to invalid e-mail addresses. Over a one-month data-
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collection time frame, a total of 531 questionnaires (44%) were completed. In a second
sampling method, the link for the questionnaire and a description of the study were
included in a monthly community tennis association newsletter. A total of 468 potential
participants received the newsletter and a total of 16 questionnaires were completed
(4%) for a total sample size of 547.

Instrument
      Demographic data. Demographic variables were chosen based on categories
that are used to understand the tennis population in the United States. The Tennis
Industry Association reports the average age, gender and income of the tennis playing
population as well as trends related to these demographics each year in their U.S.
Tennis Participation report.
      Participant’s age was left open-ended and later categorized. Age categories (19-
34, 35-44; 45-54; and 55-65) were created based on classifications used in marketing
research to differentiate developmental consumer-related categories (Russell, Verrill,
& Lane, 1988; Schiffman & Kunak, 2000) in addition to Canadian (Statistics Canada)
and United States (U.S. Census) classifications of lifecycles. While all the participants
fall into what is considered the adult life cycle, this cycle is further divided by marketers
(14 and under, then 15-24, 25-34; 35-44, etc.). The category representing ages 19-34
represents participants in the young adult cycle, 35 – 44 and 45-54 represents two adult
cycles, and 55 and older fall under the senior adult cycle.
      Income was categorized into three levels ($60,000 or less, $60,001 to $100,000,
and $100,001 and above). This classification system is in accord with categories used
to compare incomes of U.S. households in 2005 U.S. Census Economic Survey Data
(U. S. Census Bureau, 2006) with differentiation between those that made $60,000 or
more by the Drum Major Institute for Public Policy (Drum Major Institute, n.d.).
      Tennis skill level was categorized based on the United States Tennis Association
National Tennis Rating Program (NTRP), which is a self-report system for competitive
league play. Participants in this study ranged from lowest level of 3.0 (fairly consistent
when hitting medium-paced shots, but are not comfortable with all strokes and lack
execution when trying for directional control, depth, or power) to the highest 5.0 (good
shot anticipation and frequently has an outstanding shot or exceptional consistency
around which a game may be structured) (USTA, n.d.). NTRP levels are used as a
standard for competitive play in the U.S. and previously been used in research related
to commitment invariance/variance (Siegenthaler & Lam, 1992).
      Sport commitment variables. Questions related to the sport commitment model
were based on items generated in the model development (Scanlan, Simons et al.,
1993), specific to tennis players (Weiss et al., 2001) and in relation to adult participants
(Alexandris et al., 2002). Six questions assessed the player’s commitment to continue
playing tennis (e.g., How dedicated are you to tennis?). All other sport commitment
model constructs were represented with four items.
      Enjoyment items assessed the players’ positive affective responses to playing
tennis (e.g., Do you enjoy playing tennis?) Involvement alternative items asked the
respondent to think about alternative activities that they would do during the times
they usually play tennis (Weiss et al., 2001) and then presented to the respondent with
the alternate activities in mind and their feeling toward them compared to their tennis
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participation (e.g., How interesting do you think these activities would be?). Involvement
opportunity items assessed the opportunities that a participant receives that are unique
to his/her participation in the sport (e.g., Would you miss being considered a ‘tennis
player’ if you stopped playing?). Personal investment items assessed the resources
that have been put into tennis that one would lose by discontinuing participation (e.g.,
How much time do you put into your tennis participation?). Social constraints items
asked participants to respond to pressures that create a feeling of obligation to continue
tennis participation (e.g., I feel that it is necessary to play tennis to be with my friends.).
Social support items related to the support a player feels he receives from significant
others (e.g., People say things to make me feel good about playing.). Responses were
based on a 5-point Likert-type scale with rating options depending on the question
(e.g., “not at all dedicated” to “very much dedicated”; “not at all” to “very much”; “not
at all interesting” to “very interesting”; “none” to a lot”; “not at all difficult” to “very
difficult”; “never” to “almost always”). Acceptable validity and reliability has been
established for variables of the sport commitment model in previous sport commitment
research conducted with samples of adult fitness participants (Alexandris et al., 2002)
and multiple youth sport participants (Scanlan, Carpenter, Schmidt et al., 1993; Weiss
et al., 2001) that used similar items and wording.

Data Analysis
      Data analysis closely matched the analysis done by Weiss and Weiss (2007), who
looked at age and competitive level differences in the SCM with youth and adolescent
competitive gymnasts. Preliminary analysis included scale reliabilities, descriptive
statistics, and correlations among the variables. An analysis of variance tested the
demographic groupings with each of the variables that comprise the sport commitment
model. Due to multiple analyses, alpha was adjusted to p < .004 (.05 / 13) to protect
against Type 1 errors. Follow-up univariate F (p.70. Correlations between the variables indicated no multicollinearity with the
highest correlation being .67 (enjoyment and commitment).
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Table 1. Means, Standard Deviations and Internal Consistency for Each SCM Construct According to Demographic Variables
Demographic Variable      N    Commitment      Enjoyment       Involve Altern.        Involve Opps     Personal Invest    Social Constraints     Social Support

                                 M      SD       M      SD       M              SD     M         SD      M         SD       M              SD     M            SD
Age
19 – 34 years            75     3.71a .47      4.59     .54     2.49 a          .49   3.08       .59   3.07         .49    1.99 a          .35   3.18          .77
35 - 44 years           116     3.73 a .46     4.6      .53     2.47 a          .45   2.98       .63   3.09         .47    1.81 b          .33   3.20          .72
45 – 54 years           190     3.86 b .39     4.67     .38     2.34 b          .39   3.07       .64   3.18         .43    1.84 b          .39   3.34          .74
55 and older            153     3.86 b .39     4.66     .42     2.32 b          .42   2.91       .64   3.23         .45    1.82 b          .33   3.30          .68
Gender
Female                  292     3.80    .46    4.58 a .47       2.34            .43   2.72       .54   3.09 a       .46    1.85            .36   3.38 a         .74
Male                    247     3.51    .71    4.31 b .71       2.44            .44   3.11       .77   2.89 b       .55    1.9             .36   3.93 b         .73
Income (SES)
$60,000 or less         115     3.81    .48    4.62     .58     2.44            .53   2.62       .54   3.01         .50    1.87            .35   3.22           .69
$60,000 to $100,000 160         3.85    .42    4.66     .44     2.39            .39   2.62       .50   3.20         .46    1.88            .40   3.27           .76
$100,001 and up         244     3.80    .40    4.65     .41     2.35            .41   2.65       .55   3.19         .44    1.82            .34   3.31           .70
Skill Level
(NTRP)
3.0                     119     3.78    .39    4.67    .39      2.31            .40   2.65       .54   3.10         .45    1.86            .33   3.25          0.69
3.5                     198     3.83    .41    4.67    .41      2.40            .44   2.56       .49   3.21         .43    1.83            .34   3.30          0.73
4.0                     101     3.82    .42    4.62    .43      2.41            .42   2.70       .52   3.12         .44    1.85            .35   3.37          0.77
4.5 and above            97     3.95    .37    4.74    .47      2.42            .42   2.50       .51   3.30         .46    1.81            .33   3.23          0.61
Internal Consistency (α)            0.85           0.83                  0.71                0.74               0.71                0.72                0.74

Note. M = mean; SD = standard deviation
a, b, c
        Denote groups that were significantly different from each other
Table 2. Beta Coefficients and Regression R2 on the Sport Commitment Model Determinants of Commitment for
Each Demographic Category

                                       Age                Gender                    Income                         Rating (NTRP)
Variable               19-34   35-44    45-54   55 +   Female  Male      $60,000   $60,001 -   $100,001      3.0       3.5   4.0   4.5 +
                                                                         or less   $100,000     and over   or less
Enjoyment               .655* .469*      .394* .456*    .476*    .483*     .413*      .406*      .547*      .458* .446* .379*       .511*
Inv. Alternatives       .005  -.090     -.054 -.030    -.015    -.114*    -.098      -.132*      .041      -.008    -.034 -.101    -.207*
Inv. Opportunities      .238* .280*      .261* .200*    .251*    .233*     .273*      .304*      .236*      .262* .223* .149*       .213*
Personal Investments    .176* .106       .219* .228*    .170*    .225*     .284*      .129*      .161*      .115    .254* .285*     .104
Social Constraints      .103  -.033      .059 -.019     .012     .057      .075      -.002       .006      -.018     .007 -.034     .104
Social Support         -.010   .176*     .079  .091     .110*    .087*     .115       .179*      .012       .136* .090      .130    .089
R2                      .691   .614      .514  .489     .528     .635      .650       .615       .517       .524     .514   .503    .645

Note. * p ≤ .05
                                                                                                                                            103
104

Analysis of Variance
     The analysis of variance tested the demographic groupings with each of the
variables that comprise the sport commitment model. The results found no significant
differences (p < .004) based on income or skill level; significant differences were
found for age and gender (Table 1).
     Age. Significant differences with age were found with commitment (p = .003),
involvement alternatives (p = .004), and social constraints (p = .003). The youngest
tennis players (ages 34 and under and 35 -44) reported significantly lower commitment
levels than the two older age groups (ages 45-54 and 55 and up). The opposite was
found for involvement alternatives, a detractor of commitment, where the two youngest
age groups reported the lure of alternate activities significantly higher than the two
older age groups. The youngest age group cited higher social constraints significantly
more than the three other older age groups.
     Sex. Significant differences were found between females and males for enjoyment
(p = .004), personal investments (p < .001), and social support (p
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for males) emerged and explained a large portion of commitment (52% for female and
64% for males).
     Income. A significant relationship emerged for all income groups: $60,000 or
less; F(6, 108) = 11.90, p < .001; $60,001 - $100,000; F(6, 153) = 40.81, p < .001;
$100,001 or more; F(6, 237) = 42.99, p < .001). The strongest relationship was found
for the $60,000 or less age group (R = .81; 65% of variance) with the middle-income
group also showing a strong relationship (R = .79; 65% of variance) and the highest
income having the weakest relationship (R = .72; 52% of the variance). Commitment
was significantly predicted by enjoyment, involvement opportunities and personal
investments by the $60,000 or less and $100,001 or more categories. The middle-
income grouping showed the only variation with all determinants indicating social
support (ß = .18) and involvement alternatives (ß = -.13) as additional significant
predictors.
     Skill Level. The strongest relationship was found for the highest rated players
(R = .80; 65% of the variance), while other levels showed strong relationships with
correlation coefficients between .71 - .72 and variance between 50% - 52%. The lowest
level differed from other categories based on social support being a significant predictor
(ß = .14). The 3.5 and 4.0 levels were invariant, with involvement opportunities and
personal investments being the only significant predictors in addition to enjoyment.
The advanced skill level category participants cited involvement opportunities as a
significant predictor and was the only category that indicated involvement alternatives
as a significant detractor of commitment (ß = -.21).

                                      Discussion

     The purpose of this study was to examine demographic differences of sport
commitment and the antecedents of commitment based on the sport commitment
model. The current findings provide insight both theoretically and for practitioners.
Involvement-related research has found no significant relationships between
involvement and sex (Havitz & Howard, 1995; Kerstetter & Kovich, 1997; Siegenthaler
& Lam, 1992), income (Havitz et al., 1994; Kerstetter & Kovich, 1997; Madrigal,
Havitz, Howard, 1992), and education (Madrigal et al., 1992). Research related to
differences in the sport commitment model in early stages of model development (e.g.,
Carpenter & Coleman, 1998; Carpenter, Scanlan et al., 1993) found gender, skill, level,
and culture invariant in the model. The current findings, along with Weiss & Weiss
(2007), have begun to find variance with how the predictors explain sport commitment
in addition to variance within the individual variables.
     The present results demonstrate that there are stable predictor variables within
the model, even when segmented across sociodemographic characteristics. Weiss and
Weiss (2007) found that enjoyment emerged as the strongest predictor of commitment
based on age and competitive level. The current study has also found enjoyment
and involvement opportunities to be significant predictors for each group in every
demographic category. The regression results reveal that enjoyment and involvement
opportunities were strong predictors of commitment and accounted for a major
portion of the variance for each demographic category. The findings of enjoyment as
a strong contributor to commitment are consistent with previous research (Carpenter,
106

Scanlan et al., 1993; Weiss et al., 2001). The consistent strength of the enjoyment
and involvement opportunities relationship to commitment adds to existing research
with adult fitness participants (Alexandris et al., 2002) and elite athletes (Scanlan,
Russell, Beals, & Scanlan, 2003). Both constructs are reflected in the intrinsic aspects
of the sport; enjoyment being the hedonic (e.g., pleasure) outcome of participation,
and involvement opportunities the unique experiences and aspects of the sport. The
antecedent predictors of commitment that were differentiated based on demographic
categories were personal investments, involvement alternatives, and social support.

Age
     The present study indicates that the two youngest age groups reported lower
commitment. Age-related differences have been found in commitment with older
tennis players who indicated higher commitment levels (Siegenthaler & Lam,
1992). One explanation may be that older participants have played tennis longer
(higher involvement), and this has allowed them more time to develop deep-rooted
commitment. It has been shown that as a participant becomes involved, more enduring
aspects of participation subsequently become stronger such as loyalty or commitment
(Hvenegaard, 2002). Sport commitment model research (Carpenter & Coleman, 1998)
found that with elite youth athletes, commitment increases with age but, in both
measurement periods, the subjects were adolescents. Sport and leisure related literature
supports the findings such as Moode, Wiggins, and Broughton (1998), who found that
older adults were more committed to physical activity and Wheaton (2000), who found
that older recreational windsurfers were more committed to the sport and subculture
identity than their younger counterparts. The findings run contrary to research with
competitive runners, whose commitment decreased with the age of the participant
(Horton & Mack, 2000), suggesting the results may be activity dependent.
     The two youngest groups also reported significantly higher involvement
alternatives. To assess involvement alternatives, this study asked participants to rate
an activity that they would do during the times they usually play tennis. Younger
participants, who may have a wider leisure repertoire, view these alternatives with
more value than older participants. Weiss and Weiss (2007) also found that these model
variables differ based on developmental age for gymnasts during childhood to middle
and late adolescence. Specifically, older gymnasts viewed higher perceived costs,
which predicted lowered commitment. While the current research did not include
identical variables to Weiss and Weiss’s study due to different study contexts (e.g.,
parental constraints or teammate constraints), perceived costs (e.g., inability to play
other sports) may be related to involvement alternatives that were included in the
current study. The younger tennis players in this study viewed alternative activities
higher than older participants indicating that the lure of another activity might lower
commitment in tennis. The older participants who, once committed to tennis and have
played the sport over many years, rate the opportunity to play tennis higher than viable
alternatives. The findings indicate that tennis may be competing among other activities
with younger market segments more so than older market segments.
     The youngest age group reported significantly more social constraints for their
tennis participation than older age groups. This social pull toward the sport may be
useful for tennis administrators in marketing and programming to younger players.
107

The inclusion of programming to introduce players to other players through social
events and opportunities for continued social relationships may be a key tactic for
increasing commitment with younger segments.
     The regression results also show that the variables in the model explain less variance
of commitment as age increases. The results may be explained by the complexity of
antecedents and actual construct. The findings indicate that the predictors of the model,
which explained a significantly large portion of the variance of commitment (49%)
with the oldest age group, may change based on developmental age, or that additional
contributors that predict commitment with older participants are not part of the sport
commitment model. The results are consistent with findings in leisure research relating
to enduring involvement, or in the relationship between involvement, commitment,
and loyalty (Iwasaki & Havitz, 2004).

Gender
     Males and females report no significant differences based on sport commitment,
which furthers the findings of Siegenthaler and Lam (1992), who found no gender
differentiation with adult tennis players. Females reported significantly higher levels
of enjoyment and personal investments, while males reported higher levels of social
support. This finding may be due to the sport of tennis itself. In 2005, 48% of all
recreational tennis participants were female and participation was at an all- time high
of 54% females in 2004 (National Sporting Good Association, 2006). One explanation
for tennis’ popularity among females is that tennis is viewed as a gender-neutral sport
(Csizma, Wittig, & Schurr, 1988; Matteo, 1986; Salminen, 1990). Another explanation
can be based on the recreational competitive sports offered to women. While there are
a multitude of leisure activities (jogging, aerobics, swimming, etc.), there are few with
the strong programming, organizational structure, and competitive nature of tennis.
Other sport outlets (e.g., softball) with desired complexity and structure may still favor
male participants, and this may be indicative based on the regression results that show
involvement alternatives as a significant predictor of lowered commitment for the
males while non-significant for females.

Income
     Sport participation is positively associated with household income (Farrell &
Shields, 2002) and tennis research has consistently shown that that the average income
of a tennis player ($70,000) is greater than the overall U.S. population (TIA; 2005;
2006). While no significant differences between the income categories and the sport
commitment model variables emerged in this study, there were differences in how
the variables explained levels of commitment for each income category. Enjoyment,
involvement opportunities, and personal investments were significant predictors of
commitment with all groups indicating that there is potentially a strong link related to
the time and effort put into participation as well as the money invested in continued
participation. For example, with the lowest income category, the beta weight for
personal investments was the second strongest predictor of commitment compared to all
demographic groupings. This finding is not surprising given that personal investments
in tennis can be substantial due to a long learning curve, expansive equipment, and
memberships. The results show that while this investment may detract potential
108

players from continuing to play, it also serves as a significant attractor to continued
commitment for those who invest time and money in the sport. For the players who
make this investment and have lower incomes, the commitment due to the investment
may play an important role in retention.
     One unique finding is that the $60,001 to $100,000 category (upper-middle class)
was the only category to have commitment significantly explained by social support
and involvement alternatives. This group may be unique in that commitment is based
partly based on social distinction, of which tennis is associated with affluence. For this
upper-middle class group, their participation and social approval may be important
reflections of their economic and social status. Additionally the amount of variance
explained by these predictor variables lessened as income increased.

Skill Level
     While there were no significant differences based on skill level with the individual
antecedent variables, the regression results revealed some unique characteristics.
The finding that commitment does not differ according to skill level supports the
finding of Siegenthaler and Lam (1992), but regression findings offer some marketing
implications. First, lower skill level participants cited social support as a significant
predictor of commitment while higher levels did not. This establishes some support for
tennis administrators and marketers to encourage social connections with introductory
players at the lower skill levels. Some example marketing tactics would be to offer
incentives to encourage friends to play the game or create social offerings as part of the
learning process. For example, many tennis facilities will offer socials for new players
to meet and play in a non-competitive environment. The USTA may incorporate a
social for new players as part of their Tennis Welcome Center campaigns. Based on the
present study findings, the more program administrators can help to promote a social
climate for beginners, the more they will be committed to continuation.
     The second major finding related to skill level is that higher levels reported
involvement opportunities as the only significant predictor, in addition to enjoyment,
of increased commitment. This finding is related to previous results of research in
recreational specialization (Bryan, 2000) where participants that are less involved
have been found to exhibit a variety of general motivations for participation, while
those highly involved exhibit more specific motivations. The regression results are
consistent with this line, indicating that the only two positive predictors account for
more variance in commitment than at lower skill levels.

Limitations
     The present study was intended to further sport commitment model research by
examining demographic differences. While the purpose of this study was to investigate
recreational adult tennis players, the sample in this study more accurately reflects a
competitive recreational sample. Because the participants were recruited through
community tennis association e-mail lists and newsletters, most people join these
associations to have the opportunity to play in a league that offers competitive play.
Therefore, the model may not be generalizable to adult tennis players beyond the
population of competitive recreational community tennis participants. This study is
also limited to the demographic groupings studied. While the demographic groups were
109

made based on previous marketing research, the groups are arbitrary. For example,
with income, participants with incomes of $99,000 were grouped with participants
with incomes of $61,000 instead of those who make over $100,000. Skill levels were
self-reported, and the only time that a player’s rating is verified is if he competes in
a state playoff or tournament. Therefore, findings should be interpreted according to
these limitations.

Marketing Implications
     Despite the limitations, the results provide some initial practical implications for
tennis administrators. First, committed tennis players are playing primarily for the
enjoyment of the game and the unique aspects that separate tennis from other sports.
Much of the adult programming offered to players is based on competition and less on
intrinsic aspects. The results provide evidence that programming that focuses more on
the fun of the game may be more beneficial than more tournaments or league play.
     Within the market segments, the findings show that some of the least committed
players are young and less skilled. Programming that touts the benefits of tennis
compared to viable alternative sports may increase commitment with younger players.
One example is the offering of “Cardio Tennis” which is a program that gives the
player a total-body workout, includes music, and helps with basic skill development
with tennis drills. This program may keep players that are lured to more exercise/fitness
activity in tennis while helping them improve at the same time. Additionally social
events such as tennis-themed socials that include tennis, appetizers, and drinks can be
offered to younger market segments. These events will not only help them make more
friends that play tennis (e.g., increase social constraints), but increase commitment to
the sport.
     The results also show that a key to commitment is getting players to make both a
time and monetary investment in the sport. Cognizant of this finding, administrators
may offer packages to players that combine tennis equipment with tennis services.
Some examples may include a substantial discount on a racket when they sign up for
a summer lesson program, or discounts on league fees when they have signed up for
other tennis programming. Another example may be a consumer-loyalty program such
as a punch card that can be used to tennis merchandise based on the number of lessons
they have taken.

                                     Conclusions

     Based on the present study results, sport commitment variables among various
populations should not be generalized across demographic characteristics. The findings
add to the leisure research by providing evidence as to personal, social, and monetary-
based variables that directly relate to commitment. The current findings, in conjunction
with previous literature specific to commitment (e.g., Iwasaki & Havitz; 1998; 2004),
add to the expanding line of research on commitment in sport. Segmentation based
on the sport commitment model lends to marketing strategies, which were premature
in previous commitment research (Iwasaki & Havitz, 2004). Understanding the
predictors of sport commitment among recreational tennis participants has a number of
important implications, namely that recreational tennis participants are the dominant
110

focus of marketing efforts related to the tennis industry and they comprise one of the
largest groups of adult sport participants worldwide (TIA, 2007). While this study
provides researchers with a new understanding of the variance in the sport commitment
model variables, future research should continue to examine demographic invariance
with additional variables (e.g., race/ethnicity), sport types (e.g., golf or hockey), and
populations (e.g., disabled or retired). For example, black males have been found to be
involved in sport significantly more than other races when controlling for age, income,
education, and geographic region (Spreitzer & Snyder, 1990). Further segmentation
and a deeper examination of the relationship between psychological and behavioral
variables such as involvement and loyalty may offer clarity in comprehending the
inner-workings of the sport commitment model and its relationship to marketing
strategies and tactics.

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